The input signal must be converted to a(n) ____ logic voltage for use in the processor.

a. high voltage DC
b. low-level AC
c. analog
d. low-level DC


d. low-level DC

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A remotely located air sampling station can be powered by solar cells or by running an electric line to the site and using conventional power. Solar cells will cost $12,600 to install and will have a useful life of 4 years with no salvage value. Annual costs for inspection, cleaning, etc. are expected to be $1400. A new power line will cost $11,000 to install, with power costs expected to be $800 per year. Since the air sampling project will end in 4 years, the salvage value of the line is considered to be zero. At an interest rate of 10% per year, which alternative should be selected on the basis of a future worth analysis?

What will be an ideal response?

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Which of the following is a way to evaluate breeding sheep?

a. visual evaluation b. scientific data c. visual evaluation and scientific data d. neither visual evaluation nor scientific data

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When axle windup is controlled by the rear leaf spring during acceleration, the suspension type is called a ________

A) Semi-trailing arm B) Hotchkiss drive C) Trailing arm D) Torque arm

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Look for doors that are made with no added ____ in glues or binders. Many standard composite doors will have high content, although some manufacturers now produce products without it.

A. FC B. VR C. MDF D. UF

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